7699640440440 has 64 divisors (see below), whose sum is σ = 24875761428000. Its totient is φ = 1895296108032.

The previous prime is 7699640440439. The next prime is 7699640440451. The reversal of 7699640440440 is 440440469967.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2467831915 + ... + 2467835034.

Almost surely, 2^{7699640440440} is an apocalyptic number.

It is an amenable number.

7699640440440 is an abundant number, since it is smaller than the sum of its proper divisors (17176120987560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7699640440440 is a wasteful number, since it uses less digits than its factorization.

7699640440440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935666976 (or 4935666972 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 57.

The spelling of 7699640440440 in words is "seven trillion, six hundred ninety-nine billion, six hundred forty million, four hundred forty thousand, four hundred forty".